Heidi Pratt Reveals Secrets Behind Her Playboy Body

Heidi Pratt revealed her Playboy cover Thursday at the Los Angeles premiere of "G.I. Joe: The Rise of Cobra," and told Access Hollywood achieving a cover-worthy body was no easy task.

"I worked out very hard for this," Heidi told Access on the red carpet as husband Spencer Pratt looked on clutching a copy of the men's magazine.

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"I worked by butt off," she continued. "So if you want to see how I got my Playboy body, you can go to [my Web site]."

"See her powerful curves," Spencer said. "They are powerful!"

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Spencer told Access he's overjoyed to see his wife grace the pages of the magazine.

"It's an honor," he said. "I feel like I did something great, like I should get a trophy!"

He might not be getting a trophy for Heidi's Playboy shoot, but it is an early birthday present of sorts.

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"It comes out on [Spencer's] birthday," Heidi told Access, "August 14. Happy birthday hubby!"

Heidi also explained that her shoot is a more than just a bunch of sexy photos.

"[Playboy] kind of had a vision… and we brought in Matthew Rolston, who is a very well known amazing photographer," she explained. "So, it's more art."

"Beautiful art," Spencer added. "Not like Picasso art, real beautiful art, you know what I'm saying?"

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MORE ACCESS ON THESE TOPICS: Heidi Montag - Red Carpet - TV - Playboy - Spencer Pratt

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